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Blotting is the technique for detecting one RNA within the mixture of RNAs (a Northern blot) or one type of the DNA within of a mixture of DNAs (a Southern blot). A blot can prove whether that one species of RNA or DNA is present, how much is there, and its estimated size. Mainly, blotting involves gel electrophoresis, transfer to the blotting membrane (typically nitrocellulose or activated nylon), and incubating with the radioactive probe. Exposing membrane to X-ray film creates darkening at the spot correlating with the position of the DNA or RNA of interest. The darker is the spot, the more nucleic acid was present there.
What is excretion? Excretion in Physiology is the method of elimination of metabolic wastes and other toxic substances from the body.
Q. Why are some kinds of hemorrhagic diseases caused by genetic or acquired deficiency of the vitamin K metabolism? Deficiency of vitamin K predisposes to hemorrhages since thi
What are the subkingdoms into which the plant kingdom is divided? The kingdom Plantae is separated into two big subkingdoms: the bryophytes and the tracheophytes (pteridophytes
Individual Psychotherapy: It is conducted on one to one basis. It is effective when a therapeutic rapport develops between patient and therapist. The common types of indiv
Before we further proceed to discuss the fossil history of the humans we shall briefly look into what distinguishes humans or genus Homo from his ancestors namely the apes. These d
Q. What do you mean by Punch cards? Punch cards are used when the number of taxa to be keyed out is large. In this type of cards the holes at numbers corresponding to a charact
I want to know how does our digestive system work
Q. Is the esophagus a muscular organ? Why even in a patient lying totally flat on a hospital bed can the swallowed food reach the stomach? The esophagus is a predominantly musc
The fact that some pure solutions of hydrocarbons do not readily evaporate at room temperature is a result of Select one: a. London dispersion forces. b. The hydrophobic effe
Q. What is mutualism? The Mutualism is the ecological interaction in which both participants advantage and that is obligatory for their survival. The Mutualism is a harmonio
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